A Memphis police officer is accused of beating up someone under arrest. The person seen being attacked on the tape is a transexual. She says the attack is a hate crime.

Now the FBI is investigating. One officer is off the job, and another is on desk duty.

Duanna Johnson says the officer beat her up after calling her all sorts of names and making fun of her sexuality.

On the videotape you see Johnson being attacked. One officer is holding Johnson back, while another throws punches.